Merge pull request #1014 from UnknownShadow200/WinStringCleanup

Windows: Simplify native unicode and ascii string representation handling
This commit is contained in:
UnknownShadow200 2023-05-15 07:41:21 +10:00 committed by GitHub
commit 10b9384fb3
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 67 additions and 75 deletions

View File

@ -34,11 +34,13 @@ extern const cc_result ReturnCode_SocketWouldBlock;
extern const cc_result ReturnCode_DirectoryExists;
#ifdef CC_BUILD_WIN
/* Encodes a string in UTF16 format, also null terminating the string. */
/* Returns the number of bytes written, excluding trailing NULL terminator. */
int Platform_EncodeUtf16(void* data, const cc_string* src);
/* Converts a null terminated WCHAR* to char* in-place */
void Platform_Utf16ToAnsi(void* data);
typedef struct cc_winstring_ {
cc_unichar uni[NATIVE_STR_LEN]; /* String represented using UTF16 format */
char ansi[NATIVE_STR_LEN]; /* String lossily represented using ANSI format */
} cc_winstring;
/* Encodes a string in UTF16 and ASCII format, also null terminating the string. */
void Platform_EncodeString(cc_winstring* dst, const cc_string* src);
cc_bool Platform_DescribeErrorExt(cc_result res, cc_string* dst, void* lib);
#else
/* Encodes a string in UTF8 format, also null terminating the string. */

View File

@ -140,23 +140,22 @@ cc_uint64 Stopwatch_Measure(void) {
void Directory_GetCachePath(cc_string* path) { }
cc_result Directory_Create(const cc_string* path) {
WCHAR str[NATIVE_STR_LEN];
cc_winstring str;
cc_result res;
Platform_EncodeUtf16(str, path);
if (CreateDirectoryW(str, NULL)) return 0;
Platform_EncodeString(&str, path);
if (CreateDirectoryW(str.uni, NULL)) return 0;
if ((res = GetLastError()) != ERROR_CALL_NOT_IMPLEMENTED) return res;
Platform_Utf16ToAnsi(str);
return CreateDirectoryA((LPCSTR)str, NULL) ? 0 : GetLastError();
return CreateDirectoryA(str.ansi, NULL) ? 0 : GetLastError();
}
int File_Exists(const cc_string* path) {
WCHAR str[NATIVE_STR_LEN];
cc_winstring str;
DWORD attribs;
Platform_EncodeUtf16(str, path);
attribs = GetFileAttributesW(str);
Platform_EncodeString(&str, path);
attribs = GetFileAttributesW(str.uni);
return attribs != INVALID_FILE_ATTRIBUTES && !(attribs & FILE_ATTRIBUTE_DIRECTORY);
}
@ -177,26 +176,25 @@ static cc_result Directory_EnumCore(const cc_string* dirPath, const cc_string* f
cc_result Directory_Enum(const cc_string* dirPath, void* obj, Directory_EnumCallback callback) {
cc_string path; char pathBuffer[MAX_PATH + 10];
WCHAR str[NATIVE_STR_LEN];
WIN32_FIND_DATAW eW;
WIN32_FIND_DATAA eA;
int i, ansi = false;
cc_winstring str;
HANDLE find;
cc_result res;
/* Need to append \* to search for files in directory */
String_InitArray(path, pathBuffer);
String_Format1(&path, "%s\\*", dirPath);
Platform_EncodeUtf16(str, &path);
Platform_EncodeString(&str, &path);
find = FindFirstFileW(str, &eW);
find = FindFirstFileW(str.uni, &eW);
if (!find || find == INVALID_HANDLE_VALUE) {
if ((res = GetLastError()) != ERROR_CALL_NOT_IMPLEMENTED) return res;
ansi = true;
/* Windows 9x does not support W API functions */
Platform_Utf16ToAnsi(str);
find = FindFirstFileA((LPCSTR)str, &eA);
find = FindFirstFileA(str.ansi, &eA);
if (find == INVALID_HANDLE_VALUE) return GetLastError();
}
@ -225,17 +223,16 @@ cc_result Directory_Enum(const cc_string* dirPath, void* obj, Directory_EnumCall
}
static cc_result DoFile(cc_file* file, const cc_string* path, DWORD access, DWORD createMode) {
WCHAR str[NATIVE_STR_LEN];
cc_winstring str;
cc_result res;
Platform_EncodeUtf16(str, path);
Platform_EncodeString(&str, path);
*file = CreateFileW(str, access, FILE_SHARE_READ, NULL, createMode, 0, NULL);
*file = CreateFileW(str.uni, access, FILE_SHARE_READ, NULL, createMode, 0, NULL);
if (*file && *file != INVALID_HANDLE_VALUE) return 0;
if ((res = GetLastError()) != ERROR_CALL_NOT_IMPLEMENTED) return res;
/* Windows 9x does not support W API functions */
Platform_Utf16ToAnsi(str);
*file = CreateFileA((LPCSTR)str, access, FILE_SHARE_READ, NULL, createMode, 0, NULL);
*file = CreateFileA(str.ansi, access, FILE_SHARE_READ, NULL, createMode, 0, NULL);
return *file != INVALID_HANDLE_VALUE ? 0 : GetLastError();
}
@ -413,12 +410,9 @@ static INT WSAAPI FallbackParseAddress(LPWSTR addressString, INT addressFamily,
SOCKADDR_IN* addr4 = (SOCKADDR_IN*)address;
cc_uint8* addr = (cc_uint8*)&addr4->sin_addr;
cc_string ip, parts[4 + 1];
WCHAR tmp[NATIVE_STR_LEN];
Mem_Copy(tmp, addressString, sizeof(tmp));
Platform_Utf16ToAnsi(tmp);
ip = String_FromReadonly((char*)tmp);
cc_winstring* addrStr = (cc_winstring*)addressString;
ip = String_FromReadonly(addrStr->ansi);
/* 4+1 in case user tries '1.1.1.1.1' */
if (String_UNSAFE_Split(&ip, '.', parts, 4 + 1) != 4)
return ERR_INVALID_ARGUMENT;
@ -453,12 +447,11 @@ static void LoadWinsockFuncs(void) {
if (!_WSAStringToAddressW) _WSAStringToAddressW = FallbackParseAddress;
}
static int ParseHost(void* dst, WCHAR* host, int port) {
static int ParseHost(void* dst, char* host, int port) {
SOCKADDR_IN* addr4 = (SOCKADDR_IN*)dst;
struct hostent* res;
Platform_Utf16ToAnsi(host);
res = _gethostbyname((char*)host);
res = _gethostbyname(host);
if (!res || res->h_addrtype != AF_INET) return false;
/* Must have at least one IPv4 address */
@ -473,23 +466,23 @@ static int ParseHost(void* dst, WCHAR* host, int port) {
static int Socket_ParseAddress(void* dst, INT* size, const cc_string* address, int port) {
SOCKADDR_IN* addr4 = (SOCKADDR_IN*)dst;
SOCKADDR_IN6* addr6 = (SOCKADDR_IN6*)dst;
WCHAR str[NATIVE_STR_LEN];
Platform_EncodeUtf16(str, address);
cc_winstring addr;
Platform_EncodeString(&addr, address);
*size = sizeof(*addr4);
if (!_WSAStringToAddressW(str, AF_INET, NULL, addr4, size)) {
if (!_WSAStringToAddressW(addr.uni, AF_INET, NULL, addr4, size)) {
addr4->sin_port = _htons(port);
return true;
}
*size = sizeof(*addr6);
if (!_WSAStringToAddressW(str, AF_INET6, NULL, addr6, size)) {
if (!_WSAStringToAddressW(addr.uni, AF_INET6, NULL, addr6, size)) {
addr6->sin6_port = _htons(port);
return true;
}
*size = sizeof(*addr4);
return ParseHost(dst, str, port);
return ParseHost(dst, addr.ansi, port);
}
int Socket_ValidAddress(const cc_string* address) {
@ -579,10 +572,11 @@ static cc_result Process_RawGetExePath(WCHAR* path, int* len) {
}
cc_result Process_StartGame2(const cc_string* args, int numArgs) {
WCHAR path[NATIVE_STR_LEN + 1], raw[NATIVE_STR_LEN];
WCHAR path[NATIVE_STR_LEN + 1];
cc_string argv; char argvBuffer[NATIVE_STR_LEN];
STARTUPINFOW si = { 0 };
PROCESS_INFORMATION pi = { 0 };
cc_winstring raw;
cc_result res;
int len, i;
@ -601,18 +595,17 @@ cc_result Process_StartGame2(const cc_string* args, int numArgs) {
String_Format1(&argv, " %s", &args[i]);
}
}
Platform_EncodeUtf16(raw, &argv);
Platform_EncodeString(&raw, &argv);
if (CreateProcessW(path, raw, NULL, NULL,
if (CreateProcessW(path, raw.uni, NULL, NULL,
false, 0, NULL, NULL, &si, &pi)) goto success;
if ((res = GetLastError()) != ERROR_CALL_NOT_IMPLEMENTED) return res;
/* Windows 9x does not support W API functions */
len = GetModuleFileNameA(NULL, (LPSTR)path, NATIVE_STR_LEN);
((char*)path)[len] = '\0';
Platform_Utf16ToAnsi(raw);
if (CreateProcessA((LPCSTR)path, (LPSTR)raw, NULL, NULL,
if (CreateProcessA((LPCSTR)path, raw.ansi, NULL, NULL,
false, 0, NULL, NULL, &si, &pi)) goto success;
return GetLastError();
@ -625,11 +618,11 @@ success:
void Process_Exit(cc_result code) { ExitProcess(code); }
cc_result Process_StartOpen(const cc_string* args) {
WCHAR str[NATIVE_STR_LEN];
cc_winstring str;
cc_uintptr res;
Platform_EncodeUtf16(str, args);
Platform_EncodeString(&str, args);
res = (cc_uintptr)ShellExecuteW(NULL, NULL, str, NULL, NULL, SW_SHOWNORMAL);
res = (cc_uintptr)ShellExecuteW(NULL, NULL, str.uni, NULL, NULL, SW_SHOWNORMAL);
/* MSDN: "If the function succeeds, it returns a value greater than 32. If the function fails, */
/* it returns an error value that indicates the cause of the failure" */
return res > 32 ? 0 : (cc_result)res;
@ -729,17 +722,16 @@ const cc_string DynamicLib_Ext = String_FromConst(".dll");
static cc_result dynamicErr;
void* DynamicLib_Load2(const cc_string* path) {
WCHAR str[NATIVE_STR_LEN];
cc_winstring str;
void* lib;
Platform_EncodeUtf16(str, path);
Platform_EncodeString(&str, path);
if ((lib = LoadLibraryW(str))) return lib;
if ((lib = LoadLibraryW(str.uni))) return lib;
dynamicErr = GetLastError();
if (dynamicErr != ERROR_CALL_NOT_IMPLEMENTED) return NULL;
/* Windows 9x only supports A variants */
Platform_Utf16ToAnsi(str);
lib = LoadLibraryA((char*)str);
lib = LoadLibraryA(str.ansi);
if (!lib) dynamicErr = GetLastError();
return lib;
}
@ -763,24 +755,23 @@ cc_bool DynamicLib_DescribeError(cc_string* dst) {
/*########################################################################################################################*
*--------------------------------------------------------Platform---------------------------------------------------------*
*#########################################################################################################################*/
int Platform_EncodeUtf16(void* data, const cc_string* src) {
WCHAR* dst = (WCHAR*)data;
void Platform_EncodeString(cc_winstring* dst, const cc_string* src) {
cc_unichar* uni;
char* ansi;
int i;
if (src->length > FILENAME_SIZE) Logger_Abort("String too long to expand");
uni = dst->uni;
for (i = 0; i < src->length; i++) {
*dst++ = Convert_CP437ToUnicode(src->buffer[i]);
*uni++ = Convert_CP437ToUnicode(src->buffer[i]);
}
*dst = '\0';
return src->length * 2;
}
*uni = '\0';
void Platform_Utf16ToAnsi(void* data) {
WCHAR* src = (WCHAR*)data;
char* dst = (char*)data;
while (*src) { *dst++ = (char)(*src++); }
*dst = '\0';
ansi = dst->ansi;
for (i = 0; i < src->length; i++) {
*ansi++ = (char)dst->uni[i];
}
*ansi = '\0';
}
static void Platform_InitStopwatch(void) {

View File

@ -369,13 +369,12 @@ void Window_Create2D(int width, int height) { DoCreateWindow(width, height); }
void Window_Create3D(int width, int height) { DoCreateWindow(width, height); }
void Window_SetTitle(const cc_string* title) {
WCHAR str[NATIVE_STR_LEN];
Platform_EncodeUtf16(str, title);
if (SetWindowTextW(win_handle, str)) return;
cc_winstring str;
Platform_EncodeString(&str, title);
if (SetWindowTextW(win_handle, str.uni)) return;
/* Windows 9x does not support W API functions */
Platform_Utf16ToAnsi(str);
SetWindowTextA(win_handle, (const char*)str);
SetWindowTextA(win_handle, str.ansi);
}
void Clipboard_GetText(cc_string* value) {
@ -558,19 +557,19 @@ static void ShowDialogCore(const char* title, const char* msg) {
static cc_result OpenSaveFileDialog(const cc_string* filters, FileDialogCallback callback, cc_bool load,
const char* const* fileExts, const cc_string* defaultName) {
cc_string path; char pathBuffer[NATIVE_STR_LEN];
WCHAR str[MAX_PATH] = { 0 };
OPENFILENAMEW ofn = { 0 };
WCHAR filter[MAX_PATH];
cc_winstring str = { 0 };
OPENFILENAMEW ofn = { 0 };
cc_winstring filter;
BOOL ok;
int i;
Platform_EncodeUtf16(str, defaultName);
Platform_EncodeUtf16(filter, filters);
Platform_EncodeString(&str, defaultName);
Platform_EncodeString(&filter, filters);
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = win_handle;
ofn.lpstrFile = str;
ofn.lpstrFile = str.uni;
ofn.nMaxFile = MAX_PATH;
ofn.lpstrFilter = filter;
ofn.lpstrFilter = filter.uni;
ofn.nFilterIndex = 1;
ofn.Flags = OFN_NOCHANGEDIR | OFN_PATHMUSTEXIST | (load ? OFN_FILEMUSTEXIST : OFN_OVERWRITEPROMPT);
@ -578,8 +577,8 @@ static cc_result OpenSaveFileDialog(const cc_string* filters, FileDialogCallback
if (!ok) return CommDlgExtendedError();
String_InitArray(path, pathBuffer);
for (i = 0; i < MAX_PATH && str[i]; i++) {
String_Append(&path, Convert_CodepointToCP437(str[i]));
for (i = 0; i < MAX_PATH && str.uni[i]; i++) {
String_Append(&path, Convert_CodepointToCP437(str.uni[i]));
}
/* Add default file extension if user didn't provide one */